At present

the functions of Home Gateway Unite（HGU）and network positioning are oriented only to the basic requirements of the operator and adapted to the operator networks

including their business and management platforms

and all the traffic flows accessed through the home gateway are generally called data traffic.However

with the rise of smart routers and OTT services

the residential internet services and application entrance are rapidly and continuously penetrated by internet corporations and the pipeline trend of the operators is intensified.In view of the existing circumstance

this paper compares the similarities and differences between the home gateways and the smart routers in functions and positioning

analyzes the mode of their convergence and discusses the feasibility for operators to partake in entrance competitions by smart home gateways.